class Outer{
	private int num = 4;
	public void test(){
		Inner inner = new Inner();
		inner.show();
	}
	
	class Inner{
		void show()
		{
			System.out.println("num = "+num);
		}
	}
}

public class Example17{
	public static void main(String[] args){
		Outer.Inner inner = new Outer().new Inner();
		inner.show();
	}
}